Background: infection (CDI) is the leading cause of nosocomial diarrhea. Co-colonization of key bacterial taxa may prevent the transition from asymptomatic colonization to CDI. However, little is known about the composition of key bacterial taxa in asymptomatic patients.
Methods: In the present study, the culture method was used to examine the composition of stool microbiota in two asymptomatic patients from Guizhou, China.
Results: A total of 111 strains were isolated and phylogenetic relationships were determined by 16S ribosomal gene sequencing and Molecular Evolutionary Genetics Analysis version 7. The results demonstrated that (33.3%, 37/111), (24.3%, 27/111) and (11.7%, 13/111) exhibited a high ratio in asymptomatic patients. These isolates derived from two phyla: (51.3%, 57/111) and (44.1%, 49/111). In addition, co-colonization of human pathogens , , , and with was identified. To the best of our knowledge, these pathogens have not been co-isolated with previously.
Conclusions: In summary, the present study identified the composition of fecal microbiota in two asymptomatic patients in Guizhou, China. These results suggested that co-infection with human pathogens may be ubiquitous during CDI progression.
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| http://dx.doi.org/10.1515/biol-2019-0071 | DOI Listing |
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